Terminate the backtrace that debug_backtrace() would output.

From Godmar, crossported from his usb-integration-aug08 branch.

diff --git a/src/threads/start.S b/src/threads/start.S
index 5a495c4651fecd6bf3d920130123f47f55f6588e..68c604cc276b33a6701dab250d16784de3d45bd0 100644 (file)
--- a/src/threads/start.S
+++ b/src/threads/start.S
@@ -8,6 +8,9 @@
        
 .globl start
 .func start
+       # Terminate the backtrace that debug_backtrace() would output.
+       movl $0, %ebp
+
        # Call main.
 start: call main